Depending on where you're based KDE might be a better bet than the TELC or Goethe exams. It's also approved by the Migrationsamt for your C permit should you need it.

https://www.stadt-zuerich.ch/aoz/de/...verfahren.html

I posted extensively on this somewhere on another post but can't find it now. Ultimately it was much more forgiving and the main focus is on being understood and understanding - not on whether you have the wrong article from Der/Die/Das.

EDIT: B1 for Listening/Speaking and A2 for Reading/Writing. Also you don't have to do the two modules. You can just do B1 for Listening/Speaking if you prefer.

Good luck!